Eight new anthocyanins, ternatins C1-C5 and D3 and preternatins A3 and C4 from young Clitoria ternatea flowers

Norihiko Terahara, Kenjiro Toki, Norio Saito, Toshio Honda, Toshiro Matsui, Yutaka Osajima

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Abstract

Eight new anthocyanins 1-8 (ternatins C1, C2, C3, C4, C5, and D3 and preternatins A3 and C4) were isolated from Clitoria ternatea flowers. By the application of chemical, UV-vis, and FABMS methods, the structures of 1-6 were postulated as delphinidin 3-malonylglucoside having 3'-GCGC-5'-G, 3'- GCGCG-5'-G, 3'-GC-5'-G, 3'-GCG-5'-G, 3'-G-5'-G, and 3'-GC-5'-GC, and compounds 7 and 8 as delphinidin 3-glucoside having 3'-GCG-5'-GCG and 3'- GCG-5'-G as side chains, respectively, in which Dp is delphinidin, G is D- glucose, and C is p-coumaric acid. The structures of the compounds 1, 3-5, and 7 were established completely by additional NMR methods.

Original languageEnglish
Pages (from-to)1361-1367
Number of pages7
JournalJournal of Natural Products
Volume61
Issue number11
DOIs
Publication statusPublished - Nov 1 1998

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All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Molecular Medicine
  • Pharmacology
  • Pharmaceutical Science
  • Drug Discovery
  • Complementary and alternative medicine
  • Organic Chemistry

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